- Boot using your winxp cd.
- Enter recovery console.
- at the command prompt go to C:/windows/system32
- type: copy wsaupdater.exe
- Exit and reboot normally. You should now be able to logon. But you're not done yet!
- Run regedit
- Find the Userinit key in: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Winlogon\
- Modify the entry: C:\WINDOWS\System32\ so that it reads: C:\WINDOWS\System32\